Description
KMC Controls VCZ-4102BMBD Overview
The KMC Controls VCZ-4102BMBD is a 1/2-inch normally open (N/O) two-way pneumatic control valve engineered for precision flow regulation in commercial HVAC and building automation systems. With a flow coefficient (Cv) of 2.5 and a spring range of 3–8 PSI, this valve delivers consistent, reliable modulation of heating and cooling media across a wide range of hydronic and pneumatic control applications.
Key Features
- 1/2-inch valve body for compact installation in tight mechanical spaces
- Normally Open (N/O) fail-safe configuration — valve opens on loss of pneumatic signal
- 2-way design for straightforward on/off or modulating flow control
- Flow coefficient (Cv) of 2.5 for accurate, proportional flow management
- 3–8 PSI spring range for compatibility with standard pneumatic control systems
- Designed for use in heating, cooling, and process control piping circuits
Specifications
- SKU: VCZ-4102BMBD
- Brand: KMC Controls
- Valve Size: 1/2 inch
- Valve Action: Normally Open (N/O)
- Valve Type: 2-Way
- Flow Coefficient (Cv): 2.5
- Spring Range: 3–8 PSI
- Application: Pneumatic HVAC and building automation control systems
Application
Ideal for use in commercial and light industrial HVAC systems where pneumatic control is employed, the VCZ-4102BMBD integrates seamlessly into hydronic piping circuits for chilled water, hot water, and steam applications. Its normally open fail-safe action ensures continued flow in the event of a loss of control signal, protecting equipment and maintaining comfort conditions.







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